This TTL counter was found in the March 1991 issue of Radio Electronics magazine. The circuit is part of a larger project and must be powered by a 5V voltage.
This 1987 circuit uses a common ignition coil to generate high voltage to power a fluorescent lamp that...
The sound of drums can be obtained with these two touch-triggered double-T oscillators. The...
This high-precision circuit was found in documentation from the 1990s. The integrated circuit is...